Floating point based Point/Size/Rect and Insets

ui/gfx/insets_f.cc

Index: ui/gfx/insets_f.cc
diff --git a/ui/gfx/insets_f.cc b/ui/gfx/insets_f.cc
new file mode 100644
index 0000000000000000000000000000000000000000..93c028e43a0147a4db255557ec6eacdb7ccbdc50
--- /dev/null
+++ b/ui/gfx/insets_f.cc
@@ -0,0 +1,16 @@
+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ui/gfx/insets_f.h"
+
+#include "base/stringprintf.h"
+
+namespace gfx {
+
+std::string InsetsF::ToString() const {
+  // Print members in the same order of the constructor parameters.
+  return StringPrintf("%f,%f,%f,%f", top_,  left_, bottom_, right_);
+}
+
+}  // namespace gfx